CVE-2017-5425 Information

Description

The Gecko Media Plugin sandbox allows access to local files that match specific regular expressions. On OS OX this matching allows access to some data in subdirectories of /private/var\ that could expose personal or temporary data. This has been updated to not allow access to /private/var\ and its subdirectories. Note: this issue only affects OS X. Other operating systems are not affected. This vulnerability affects Firefox 52 and Thunderbird 52.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/96692 http://www.securitytracker.com/id/1037966 https://bugzilla.mozilla.org/show_bug.cgi?id=1322716 https://www.mozilla.org/security/advisories/mfsa2017-05/ https://www.mozilla.org/security/advisories/mfsa2017-09/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5